Blockly.Xml.textToDom=function(a){a=(new DOMParser).parseFromString(a,"text/xml");if(!a||!a.firstChild||"xml"!=a.firstChild.nodeName.toLowerCase()||a.firstChild!==a.lastChild)throw"Blockly.Xml.textToDom did not obtain a valid XML tree.";return a.firstChild};
Blockly.Xml.domToBlock=function(a,b,c){var d=null,e=b.getAttribute("type");if(!e)throw"Block type unspecified: \n"+b.outerHTML;var f=b.getAttribute("id");if(c&&f){d=Blockly.Block.getById(f,a);if(!d)throw"Couldn't get Block with id: "+f;f=d.getParent();d.workspace&&d.dispose(!0,!1,!0);d.fill(a,e);d.parent_=f}else d=Blockly.Block.obtain(a,e);d.svg_||d.initSvg();(f=b.getAttribute("inline"))&&d.setInputsInline("true"==f);(f=b.getAttribute("disabled"))&&d.setDisabled("true"==f);(f=b.getAttribute("deletable"))&&
p&&setTimeout(function(){d.comment.setVisible("true"==p)},1);g=parseInt(h.getAttribute("w"),10);h=parseInt(h.getAttribute("h"),10);isNaN(g)||isNaN(h)||d.comment.setBubbleSize(g,h);break;case "title":case "field":d.setFieldValue(h.textContent,k);break;case "value":case "statement":h=d.getInput(k);if(!h)throw"Input "+k+" does not exist in block "+e;if(g&&"block"==g.nodeName.toLowerCase())if(g=Blockly.Xml.domToBlock(a,g,c),g.outputConnection)h.connection.connect(g.outputConnection);else if(g.previousConnection)h.connection.connect(g.previousConnection);
Blockly.BUMP_DELAY,a);Blockly.fireUiEvent(window,"resize")}a&&a.workspace.fireChangeEvent();Blockly.Block.dragMode_=0};Blockly.Block.prototype.select=function(){goog.asserts.assertObject(this.svg_,"Block is not rendered.");Blockly.selected&&Blockly.selected.unselect();Blockly.selected=this;this.svg_.addSelect();Blockly.fireUiEvent(this.workspace.getCanvas(),"blocklySelectChange")};
Blockly.Block.prototype.unselect=function(){goog.asserts.assertObject(this.svg_,"Block is not rendered.");Blockly.selected=null;this.svg_.removeSelect();Blockly.fireUiEvent(this.workspace.getCanvas(),"blocklySelectChange")};
Blockly.Flyout.prototype.createBlockFunc_=function(a){var b=this;return function(c){if(!Blockly.isRightButton(c)&&!a.disabled){var d=Blockly.Xml.blockToDom_(a),d=Blockly.Xml.domToBlock(b.targetWorkspace_,d),e=a.getSvgRoot();if(!e)throw"originBlock is not rendered.";var e=Blockly.getSvgXY_(e),f=d.getSvgRoot();if(!f)throw"block is not rendered.";f=Blockly.getSvgXY_(f);d.moveBy(e.x-f.x,e.y-f.y);b.autoClose?b.hide():b.filterForCapacity_();d.onMouseDown_(c)}}};
Blockly.Toolbox.populate_=function(){function a(c,d){for(var e=0,f;f=c.childNodes[e];e++)if(f.tagName){var g=f.tagName.toUpperCase();if("CATEGORY"==g){g=b.createNode(f.getAttribute("name"));g.blocks=[];d.add(g);var h=f.getAttribute("custom");h?g.blocks=h:a(f,g)}else"BLOCK"==g&&d.blocks.push(f)}}var b=Blockly.Toolbox.tree_;b.removeChildren();b.blocks=[];a(Blockly.languageTree,Blockly.Toolbox.tree_);if(b.blocks.length)throw"Toolbox cannot have both blocks and categories in the root level.";Blockly.fireUiEvent(window,
Blockly.Generator.prototype.blockToCode=function(a){if(!a)return"";if(a.disabled)return this.blockToCode(a.getNextBlock());var b=this[a.type];if(!b)throw'Language "'+this.name_+'" does not know how to generate code for block type "'+a.type+'".';b=b.call(a,a);if(goog.isArray(b))return[this.scrub_(a,b[0]),b[1]];if(goog.isString(b))return this.STATEMENT_PREFIX&&(b=this.STATEMENT_PREFIX.replace(/%1/g,"'"+a.id+"'")+b),this.scrub_(a,b);if(null===b)return"";throw"Invalid code generated: "+b;};
Blockly.Generator.prototype.valueToCode=function(a,b,c){if(isNaN(c))throw'Expecting valid order from block "'+a.type+'".';a=a.getInputTargetBlock(b);if(!a)return"";var d=this.blockToCode(a);if(""===d)return"";if(!goog.isArray(d))throw'Expecting tuple from value block "'+a.type+'".';b=d[0];d=d[1];if(isNaN(d))throw'Expecting valid order from value block "'+a.type+'".';b&&c<=d&&c!=d&&0!=c&&99!=c&&(b="("+b+")");return b};
Blockly.Generator.prototype.statementToCode=function(a,b){var c=a.getInputTargetBlock(b),d=this.blockToCode(c);if(!goog.isString(d))throw'Expecting code from statement block "'+c.type+'".';d&&(d=this.prefixLines(d,this.INDENT));return d};Blockly.Generator.prototype.addLoopTrap=function(a,b){this.INFINITE_LOOP_TRAP&&(a=this.INFINITE_LOOP_TRAP.replace(/%1/g,"'"+b+"'")+a);this.STATEMENT_PREFIX&&(a+=this.prefixLines(this.STATEMENT_PREFIX.replace(/%1/g,"'"+b+"'"),this.INDENT));return a};
d);c=Blockly.createSvgElement("pattern",{id:"blocklyDisabledPattern",patternUnits:"userSpaceOnUse",width:10,height:10},c);Blockly.createSvgElement("rect",{width:10,height:10,fill:"#aaa"},c);Blockly.createSvgElement("path",{d:"M 0 0 L 10 10 M 10 0 L 0 10",stroke:"#cc0"},c);Blockly.mainWorkspace=new Blockly.Workspace(Blockly.getMainWorkspaceMetrics_,Blockly.setMainWorkspaceMetrics_);b.appendChild(Blockly.mainWorkspace.createDom());Blockly.mainWorkspace.maxBlocks=Blockly.maxBlocks;Blockly.readOnly||
Blockly.updateToolbox=function(a){if(a=Blockly.parseToolboxTree_(a)){if(!Blockly.languageTree)throw"Existing toolbox is null. Can't create new toolbox.";if(a.getElementsByTagName("category").length){if(!Blockly.hasCategories)throw"Existing toolbox has no categories. Can't change mode.";Blockly.languageTree=a;Blockly.Toolbox.populate_()}else{if(Blockly.hasCategories)throw"Existing toolbox has categories. Can't change mode.";Blockly.languageTree=a;Blockly.mainWorkspace.flyout_.show(Blockly.languageTree.childNodes)}}else if(Blockly.languageTree)throw"Can't nullify an existing toolbox.";
